Yeah, but he refused to protect his unicode identifiers, and just went with the C committee solution to provide no solution to Unicode identifier security. I expected better.
He's probably talking about https://justine.lol/dox/ansic-identifiers.txt I'm not sure what he wants to see happen here but I remember him asking me for a timing safe memcmp function in Cosmopolitan a while back and it's hard to refuse a small reasonable demand.